/*
 * Copyright 2012 Claude Houle claude.houle@gmail.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.google.code.mochaccino.framework.scheduler.jobs;

import com.google.code.mochaccino.framework.scheduler.JobScheduler;
import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import org.quartz.JobDetail;
import org.quartz.SchedulerException;
import org.quartz.Trigger;

/** Scheduled Job */
public abstract class ScheduledJob {
	private JobDetail    detail;
	private JobScheduler scheduler;
	private Trigger      trigger;

	/** Scheduled Job */
	protected ScheduledJob( JobScheduler scheduler ) {
		this.scheduler = scheduler;
	}

	/** Return the Job Detail */
	protected abstract JobDetail getJobDetail();

	/** Return the Job Trigger */
	protected abstract Trigger getJobTrigger( JobDetail detail );

	/** Schedule Job */
	@PostConstruct
	public void schedule() throws SchedulerException {
		detail = getJobDetail();
		trigger = getJobTrigger( detail );
		scheduler.scheduleJob( detail, trigger );
	}

	/** Unschedule */
	@PreDestroy
	public void unschedule() throws SchedulerException {
		scheduler.unscheduleJob( trigger.getKey() );
	}
}
